---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-9513 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 7.9G 30G 21% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 758 5287 4 2184 7183 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:96:53:b6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.60/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81311sec preferred_lft 81311sec inet6 fe80::f816:3eff:fe96:53b6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-9513) 04/29/26 _x86_64_ (2 CPU) 01:48:16 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:03 1.46 0.02 1.43 0.01 1.24 17.85 652.64 02:10:03 1.66 0.26 1.39 0.01 30.99 72.21 0.29 02:20:01 1.22 0.01 1.21 0.00 1.07 14.28 0.05 02:30:03 1.41 0.00 1.38 0.03 0.00 17.02 434.96 02:40:05 13.96 0.00 1.43 12.53 0.15 16.39 108877.68 02:50:01 1.82 0.40 1.40 0.02 15.92 47.71 1.21 03:00:06 22.50 2.62 17.66 2.22 211.34 3093.83 676.44 03:10:05 1.28 0.00 1.28 0.01 0.00 21.41 0.08 Average: 5.68 0.42 3.41 1.86 32.75 415.16 13852.64 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:03 6295080 7541596 278724 3.43 30560 1421652 524076 5.71 441980 1183108 216 02:10:03 6238612 7511740 308140 3.79 30928 1447548 718020 7.82 456492 1200608 180 02:20:01 6253284 7527228 292632 3.60 31088 1448196 524344 5.71 451260 1201104 240 02:30:03 6248480 7523000 296728 3.65 31316 1448520 524344 5.71 451440 1201644 248 02:40:05 6249416 7524640 295080 3.63 31500 1449024 524344 5.71 451724 1202188 188 02:50:01 6226264 7516744 302716 3.72 31836 1463720 562116 6.12 495520 1215704 220 03:00:06 5271064 7388820 382384 4.70 85100 2196692 638980 6.96 599036 1957780 188 03:10:05 5229104 7348876 422352 5.19 85224 2198592 661868 7.21 613608 1959796 336 Average: 6001413 7485330 322344 3.96 44694 1634243 584762 6.37 495132 1390242 227 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:03 ens3 1.27 0.07 0.16 0.03 0.00 0.00 0.00 0.00 02:10:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:03 ens3 1.02 0.22 12.58 0.03 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.23 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:03 ens3 0.20 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:05 ens3 0.34 0.08 0.10 0.05 0.00 0.00 0.00 0.00 02:50:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 16.10 10.43 24.28 3.39 0.00 0.00 0.00 0.00 03:00:06 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:06 ens3 59.29 42.46 289.54 9.00 0.00 0.00 0.00 0.00 03:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:05 ens3 13.30 12.15 107.40 1.09 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 11.50 8.21 54.47 1.71 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-9513) 04/29/26 _x86_64_ (2 CPU) 01:48:16 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:03 all 0.32 0.00 0.17 0.01 0.03 99.47 02:00:03 0 0.44 0.00 0.16 0.01 0.02 99.36 02:00:03 1 0.19 0.00 0.18 0.01 0.03 99.58 02:10:03 all 0.39 0.00 0.11 0.02 0.02 99.45 02:10:03 0 0.53 0.00 0.08 0.01 0.02 99.36 02:10:03 1 0.25 0.00 0.14 0.03 0.03 99.55 02:20:01 all 0.25 0.00 0.07 0.02 0.02 99.64 02:20:01 0 0.40 0.00 0.05 0.02 0.02 99.51 02:20:01 1 0.10 0.00 0.10 0.01 0.03 99.77 02:30:03 all 0.29 0.00 0.16 0.03 0.03 99.49 02:30:03 0 0.20 0.00 0.19 0.04 0.03 99.54 02:30:03 1 0.38 0.00 0.13 0.02 0.02 99.44 02:40:05 all 0.24 0.00 0.08 0.17 0.02 99.48 02:40:05 0 0.43 0.00 0.07 0.17 0.02 99.31 02:40:05 1 0.06 0.00 0.10 0.17 0.02 99.65 02:50:01 all 0.53 0.00 0.12 0.03 0.02 99.30 02:50:01 0 0.64 0.00 0.14 0.01 0.02 99.20 02:50:01 1 0.42 0.00 0.10 0.06 0.02 99.41 03:00:06 all 10.79 0.00 1.76 0.59 0.06 86.80 03:00:06 0 8.05 0.00 1.54 0.49 0.06 89.86 03:00:06 1 13.53 0.00 1.98 0.69 0.05 83.75 03:10:05 all 0.86 0.00 0.20 0.03 0.04 98.87 03:10:05 0 0.85 0.00 0.23 0.05 0.05 98.83 03:10:05 1 0.87 0.00 0.18 0.01 0.04 98.91 Average: all 1.71 0.00 0.34 0.11 0.03 97.81 Average: 0 1.45 0.00 0.31 0.10 0.03 98.12 Average: 1 1.98 0.00 0.37 0.13 0.03 97.49